By now I'm quite addicted to jumplists. When I want to open a PowerPoint deck or a Word document, and I have another one of those open, I just right-click that instance, spot my document among the recent documents, and click it to open what I want. It frees me from remembering exactly where documents are, or opening folders just to open documents they contain, and I like it a lot. I also like the tasks lists that more and more applications are adding, like these:

But older apps have so much less to offer:

What if you could add tasks to the jumplist of any application, without needing access to the source code? That's what Jumplist Extender does. There's a nice review on How To Geek that demonstrates adding tasks to the calculator that comes with Windows.